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MapReduce, mail # user - copyFromLocal


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Visioner Sadak 2012-10-04, 15:52
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Kartashov, Andy 2012-10-04, 16:51
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Bejoy KS 2012-10-04, 17:15
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Re: copyFromLocal
Visioner Sadak 2012-10-05, 08:16
Hey thanks bejoy and andy act my user just has a desktop web user(like we
browsing web) so i guess first i have to upload the file to my linux
box(wher hadoop is installed) using a web app then frm there i have to use
moveFromLocal to put tht file in to hadoop,i thought hadoop can be directly
used to upload to hdfs using web ....

On Thu, Oct 4, 2012 at 10:45 PM, Bejoy KS <[EMAIL PROTECTED]> wrote:

> Hi Sadak
>
> If you are issuing copyFromLocal from a client/edge node you can copy the
> files available in the client's lfs to hdfs in cluster. The client/edge
> node could be a box that has all the hadoop jars and config files exactly
> same as that of the cluster and the cluster nodes should be accessible from
> this client.
> Regards
> Bejoy KS
>
> Sent from handheld, please excuse typos.
> ------------------------------
> *From: *"Kartashov, Andy" <[EMAIL PROTECTED]>
> *Date: *Thu, 4 Oct 2012 16:51:35 +0000
> *To: *[EMAIL PROTECTED]<[EMAIL PROTECTED]>
> *ReplyTo: *[EMAIL PROTECTED]
> *Subject: *RE: copyFromLocal
>
>  I use –put –get commands to bring files in/our of HDFS from/to my home
> directory on EC2. Then use WinSCP to download files to my laptop.
>
>
>
> Andy Kartashov
>
> *MPAC*
>
> Architecture R&D, Co-op
>
> 1340 Pickering Parkway, Pickering, L1V 0C4
>
> ( Phone : (905) 837 6269
>
> ( Mobile: (416) 722 1787
>
> *[EMAIL PROTECTED]*
>
>
>
> *From:* Visioner Sadak [mailto:[EMAIL PROTECTED]]
> *Sent:* Thursday, October 04, 2012 11:53 AM
> *To:* [EMAIL PROTECTED]
> *Subject:* copyFromLocal
>
>
>
> guys i have hadoop installled in a remote box ... does copyFromLocal
> method copies data from tht local box only wht if i have to copy data from
> uses desktop pc(for example E drive) thru my my web application will i have
> to first copy data to tht remote box using some java code then use
> copyFromLocal method to copy in to hadoop....
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Robert Molina 2012-10-10, 00:19